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213143021030 = 25372772079647
BaseRepresentation
bin1100011010000001010…
…0000110010111100110
3202101011022012022221002
43012200110012113212
511443004103133110
6241525550353302
721253611533402
oct3064024062746
9671138168832
10213143021030
1182436751455
12353851bb832
131713a2182b4
14a45d83a102
155827227aa5
hex31a05065e6

213143021030 has 32 divisors (see below), whose sum is σ = 395449226496. Its totient is φ = 82653450624.

The previous prime is 213143021011. The next prime is 213143021053. The reversal of 213143021030 is 30120341312.

It is a junction number, because it is equal to n+sod(n) for n = 213143020993 and 213143021011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937334 + ... + 1142313.

It is an arithmetic number, because the mean of its divisors is an integer number (12357788328).

Almost surely, 2213143021030 is an apocalyptic number.

213143021030 is a deficient number, since it is larger than the sum of its proper divisors (182306205466).

213143021030 is a wasteful number, since it uses less digits than its factorization.

213143021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079968.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213143021030 its reverse (30120341312), we get a palindrome (243263362342).

The spelling of 213143021030 in words is "two hundred thirteen billion, one hundred forty-three million, twenty-one thousand, thirty".

Divisors: 1 2 5 10 37 74 185 277 370 554 1385 2770 10249 20498 51245 102490 2079647 4159294 10398235 20796470 76946939 153893878 384734695 576062219 769469390 1152124438 2880311095 5760622190 21314302103 42628604206 106571510515 213143021030